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, , , (. D. W. Carraher, 1991; Nimes, 1992; Nunes, Schliemann & Carraher, 1993; Schliemann et al., 1997).

, (Cole et al., 1971), , , , . , , ; -

, , , (Gay & Cole, 1967). , , , (Saxe & Moylan, 1982). - (Arbeu & Carraher, 1989; Acioly, 1994; Grando, 1988). , , , , , (Saraswathi, 1988,1989). -: , , , , , , , , , . , () , (Ueno & Saito, 1994) , .

, , , , , . , , , , , (Schlimann, 1985). , , , (Scribner, 1984,1986), .

(Zaslavsky, 1973) , . , , , (Gerdes, 1986, 1988, 1988). (Harris, 1987, 1988) , . (Millroy, 1992), , , .

. , , , , . -

, , .

(Lave, 1977; . Reed & Lave, 1979) , , , . . , (. N. Carraher, 1985; T.N. Carraher, Carraher & Schliemann, 1982, 1985; Saxe, 1991; Schliemann & Acioly, 1989; Schliemann, Santos & Canute, 1993).

, , ; , ( , ) (Schliemann & Carraher, 1992). (. N. Carraher, 1986), (Schliemann & Nunes, 1990) (Schliemann & Magalhaes, 1990; McMurchy-Pilkington, 1995).

, , (Schliemann, 1988; Schliemann & Acioly, 1989) .

, , . . - (Schliemann, 1995; D.W. Carraher & Schliemann, ).





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